Pet house structure



FIG. 1 is an exploded top, left side perspective view of a pet house structure;

FIG. 2 is a top, left side perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left side perspective view thereof;

FIG. 6 is a right side perspective view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof. 

CLAIM I claim the ornamental design for an pet house structure, as shown and described. 